Re: [PATCH v2 2/2] qemu: enable debug threads

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Hi

----- Original Message -----
> On Thu, Mar 10, 2016 at 17:12:24 +0100, Marc-André Lureau wrote:
> > When debug-threads is enabled, individual threads are given a separate
> > name (on Linux)
> > 
> > Fixes:
> > https://bugzilla.redhat.com/show_bug.cgi?id=1140121
> > 
> > Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
> > ---
> >  src/qemu/qemu_command.c | 13 +++++++++----
> >  1 file changed, 9 insertions(+), 4 deletions(-)
> > 
> > diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> > index 000c29d..c730a01 100644
> > --- a/src/qemu/qemu_command.c
> > +++ b/src/qemu/qemu_command.c
> > @@ -7081,6 +7081,7 @@ qemuBuildCommandLine(virConnectPtr conn,
> >      virBuffer boot_buf = VIR_BUFFER_INITIALIZER;
> >      char *boot_order_str = NULL, *boot_opts_str = NULL;
> >      virBuffer fdc_opts = VIR_BUFFER_INITIALIZER;
> > +    virBuffer name_opts = VIR_BUFFER_INITIALIZER;
> >      char *fdc_opts_str = NULL;
> >      int bootCD = 0, bootFloppy = 0, bootDisk = 0, bootHostdevNet = 0;
> >  
> > @@ -7106,13 +7107,17 @@ qemuBuildCommandLine(virConnectPtr conn,
> >      virCommandAddEnvPassCommon(cmd);
> >  
> >      virCommandAddArg(cmd, "-name");
> > +    virBufferAsprintf(&name_opts, "%s", def->name);
> >      if (cfg->setProcessName &&
> >          virQEMUCapsGet(qemuCaps, QEMU_CAPS_NAME_PROCESS)) {
> > -        virCommandAddArgFormat(cmd, "%s,process=qemu:%s",
> > -                               def->name, def->name);
> > -    } else {
> > -        virCommandAddArg(cmd, def->name);
> > +        virBufferAsprintf(&name_opts, ",process=qemu:%s", def->name);
> > +    }
> > +    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NAME_DEBUG_THREADS)) {
> > +        virBufferAddLit(&name_opts, ",debug-threads=on");
> >      }
> 
> Drop {} from the if statement above; make syntax-check should have told
> you so.
> 
> > +    if (virBufferCheckError(&name_opts) < 0)
> > +        goto error;
> > +    virCommandAddArg(cmd, virBufferContentAndReset(&name_opts));
> 
> Anyway, I think it would be nice to move all the -name ... construction
> code into a dedicated qemuBuildNameCommandLine function.

ok, let's do a v3 then, thanks

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